How much sun does Siberian peatree need?

Siberian peatree grows best in full sun conditions.

When does Siberian peatree bloom?

Siberian peatree blooms in May.

Where is Siberian peatree native?

Siberian peatree (Caragana arborescens) is native to CO, IA, ID, MA and 16 more states, per the World Checklist of Vascular Plants (Kew).

Siberian peatree

Name: Pollinator Patch
Author: Pollinator Patch

Caragana arborescens

Last reviewed: October 2026

Siberian peatree (Caragana arborescens) is a perennial shrub native to CO, IA, ID, MA and 16 more states. It blooms in May. The flowers draw bees.

Toxicity unknown

Siberian peatree (Caragana arborescens) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

Light

full sun

Water

low

Size

72"–240" H × 96"–180" W

Bloom

May

Native to

CO, IA, ID, MA and 16 more states

Pollinators

bees

Before you buy

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Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 459 programs across 44 states, each with a link to the provider and the date we last checked it.

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Browse plants for this ecoregion

North American Deserts Northwestern Forested Mountains Central Basin and Range Southern Rockies High Plains Northwestern Glaciated Plains Northwestern Great Plains Northern Lakes and Forests North Central Hardwood Forests Driftless Area Southeastern Wisconsin Till Plains Northeastern Coastal Zone

A tough, upright deciduous shrub with finely divided, ferny leaves and small yellow pea-shaped flowers in spring, followed by narrow seed pods. Tolerates poor, dry soil and cold, and can sucker to form a thicket if not managed.

Growing Siberian peatree

Grow Siberian peatree in full sun and low water. Mature plants reach 72 to 240 inches tall and spread 96 to 180 inches wide.

Wildlife value

Spring flowers are a good early-season nectar and pollen source for bees.

Common questions

How much sun does Siberian peatree need?: Siberian peatree grows best in full sun conditions.
When does Siberian peatree bloom?: Siberian peatree blooms in May.
Where is Siberian peatree native?: Siberian peatree (Caragana arborescens) is native to CO, IA, ID, MA and 16 more states, per the World Checklist of Vascular Plants (Kew).
What pollinators does Siberian peatree attract?: Siberian peatree draws bees.

Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

If something looks wrong

Common plant problems, and what to check first

These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.

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